Vacuum-tube unit



Shams-Sham 3.

ATTORNEY.

ivitii. thc

ff reti trit'iiii t ammltrib 26 finti mimi against til@ shoulder 2'?.

liisoosef l around the mrmiicr 23 arc tour it shoot mf l Contact members23, Q9. i tcririimitlng :itljmfci'lt lli@ :x'lorcxiti holes: :uidengaging rmlwisc :igziiiict thc 'v220-umn tubo tY l iliostse 22. 32%STV-i miti 2535* rcirfgiccti volgt. '.flw posits R2 21ml Ti?)constituir? tixJ term ot timo filament or cathode ot "lio titille, V;tho iioszt 34 conirtitutos tlic termi :il of? thc plato or zu'iotlc.:mtl tlw post 353 tcriiiiiizil of the grifl or control cloctroflc. Thecoiit: (-*s 28 to fil inclusive arc accurati to ic mitici' sitio of thewall .2 liy screw luolts $36. v gral with 'l'lic member Q3 ti'iclioss orlug' 37 'for holding', as by Screw 38` the lioltlor r bracket member B9for supporting or holding; in place any suitable `mixiliaurjy di vices,as, for @miopia the conclcnirers i-O and il and the grid leali:resistance 42, :ill ot which ma? be helcl togcther s :i unit bv "qos ortapes 43. Tho impor Sitlc oi the unit may ziliut against tiic lng-s 44on tti@ onder of the @over 2 :mtl integral 'tirarsi-With.

i Corrieri by the cover 2 are binding' posts suitzi'blo miiiioeiZ1 tormi? suitable ifmr- 'n the example illustrated, 'the li1iti y; Jostserves in common 'tor connecting; tornai lmtterics A and B supplying Iiirespectivo if( for tito catliocc or filament J and tile plato or anodecircuit tliorcoi Tlic other input or grid tor 'imi at the 1minding' post46, between ucl-i miti the Contact Si inserted the usual itlmirflticriscr the grid leali :irco im rig coisiiiectccl iietwcen. therontzic tieposi; The 'positive terminal ot ne bsitteryjl may connect tothe binding; oit iL/, which connects mi conductor 028 with fic .lilcrn tcom? the other iilziiricut intact, connecting? 'with one terminal ot heresistance R, the riieosstiit Contact i? connecting through the member16 to the iiinfl ing'post45.allindicated in Fig. i0. Tile tree enti. ofthe resistance R- at i9 may ercteiiti through a hole in the cover 2 und'he liouiirl on. the under sido thereof in any suitable =ivsijy. Thepositive terminal ot tlm battery E iscoimocted to the bintliiip; post50, which may lio ol a type indicatori tor com'wcting; a plurality 0itcicphoneg. :1:2 T, or other riferisco Whom other terminals muy connectto tim similar binding* posit lil. which may lic coifmectoii lii/conductor 52 above tlm` cover iiimiiiig postwliiiii connects picto .ormimic Contact H0. llccovor 2 the comlcnser 40 may im commento@ with theposts :mtl 5i. :is iiiflicartoni, .:iercliy serving* as :i iiig'litrcqnciicv bypass in the imot'ic circuit tor tlm tclcolioric T or otherinstruments and the buttery l?.

Tho formati 'by the Walls l :intl 2 milj, be closotl lig; the closuremember '54, oi shoot instal or @thor siiiffibic imitcrizii5 which Emiliti if; ii-cltil in plas@ against tiic annular #nonltlcr 55 lijf Screws5G thrcaflco into tlm tappeti holes ir. the lugs 57 moltlctl. integralwith tlio Wall l.,

Rcerriiig to ll'igs. il :intl lL tlicrc its siiowii a iiiorliticntionoi" my '.ii'cniior, util if'iiij miotlwr miti Slziiialzirf iioi'iii oi.'Socliclf or liolilcr im' vacuum tril'icS.

in thc coi-'cr or cnil closure 2 is a circular or other miinlillvSliapotl npcrturc 5S within nml prc'l'kfreilily concentric with ilicuinvzirtlly cxtcmling :mmllur flzmjgc 5f) moldml ii'itegl'rnl with tilt'covcr '12. The mctullic "vlimli'icnl slicll ($0 rests with thc lowercnil against thc cover :2 :iml fits Within thc flange 59, Vtliov casing(SO having tlio usual bayonet Pilot Gl, with which co-zictS :i pin uponthc base of a vacuum tulle for locking the Sarno in the Socket,- 60. asWoll understood in the art- The shell G0 has a plurality ot' lugs 62 cX-tcutling through apertures in tlic cover 2 :mtl bent outwardly orhorizontally as indicated to holtl the, shell 60 in ii'xcti positionupon tlic covcr 2. this structure being ot tiic Clim'- :ictcr fliscloscdiii my prior application Stic-- rial No. 576,-? "l. Scciirctl Upon thounder Sitio ot the @over 2 with tl'icir cncls projecting over tlmaperture :rre the 'four rc- Silicnt or yielding metallic contacts: (33`G4, anti 66, scclirod b v thc Screws S7 cxtcmiing upwardly through i'liecover 2 fmtl l'icltl Quitnlilo nots. The contato b 66 nrc in time forroOt lont Springs nml prc'toi'rlilj,n 12S indicatori in Fiyi. lf. @zichcomprises a pinrality of overlying rlibmis or slicct mcu'ilicrsor'limiri. 'Integral with the covcr 2 :mtl projecting from tlm imtlrgifle tncrco-t :irc the posts or studs Serving; suitzil'ily to positionfiiiri space tiie contacts 21ml to prevcnt their movement, :iiiout theirScrew; 6?. "i/Vitli om of tlic Contact memlocrs7 is 64;. is connectedthe biasing Spring Contact mcmbcr i6 ot tli@ i'iicostat structure. :isiioreinlioioro described. tlm contacts 64 mid 65 0mm-ging with 'theContact posts or studs on the @mi ot the vacuum tulo@ rmit :nifl formingtori'ninzils on the filament thm-ooi'. The Contact may eng'glc tho tuooterminal which connects' with tlm grid thcrootq :mtl tlm Contact 6G mayengfigc with the :motie or lot@ tei'- miiml o't' tlic tulo@ unit.

Thor@ maf: lio (lispoml within tl'ie clmmbcr or loaS-t iVA lwrciniwforctlcscrilictt tlic coo- (lt-nsers l0 fmtl 4l :mtl gricl lczil: rcoistanca4:2. :lll ot which nifty lic iielti togctlicr im :i unit licrtinlictorofloscriliml. tls@ unit being licltl :iffziii'ist thc lugs .4 im tliciiwitlc ot tl'ic @over Q by tlm iirntlcct 39 Sccurotl lijf screw 35% tollit lug 37. Whicli iii this instance iS iitcgrui with til-c will nmlcorvi' lVimt l" claim is:

l. A inzicnriiri tube unit comprising si c sing haring :in and closure,'Limitato-coi ,al tubc-liolfliug member carried by Said no closure mitiprojecting into said casing, u

lug inegral wh said membre?. m a sul poing bracket secured i0 said lug.

2. A vacuum tube uni; comprising a casimg adapted i0 suppmt a pumiy 0fradio eceving elements fihereeom a vawum mbe moumec in said ceasing"having! inclined edges for guiding sai vacum tube into operative poiion,and contacts rm H1@ nppos side ofsaid moumng fm exlgfzgng :he eltroes ofsaid mbe,

3. A vacuum tube unit cnmprsng sa casing mouldef insuatng maria having:am imag/eral and closm'm said end closure miaped no suppmt a pumlty mdoreceiving elem ments and having a aepresiom theein imm ARTHUR ATER MNT

